Cromwell Energy has been providing quality home heating and air conditioning service for over 30 years. We take pride in our dedication to customer service and treating each customer with the respect and courtesy they deserve. Cromwell Energy utilizes the most up-to-date technology and is always competitively priced. Our technicians are trained, licensed, and insured and will always provide courteous, professional service. We offer a variety of oil delivery options, including “buy-ahead” fuel plans, budget payment schedules, and will-call fuel delivery (see details under the “Fuel Oil Delivery” tab). Whatever option you choose, Cromwell Energy will deliver your oil promptly and professionally, and will always put the customer first.